Il dispositivo apre file in questo formato; la memoria è piena.

Because dispositivo begins with d, so it takes the regular masculine singular article il.

• il dispositivo = the device
• lo is used before certain sounds, such as:
  • s + consonant: lo studente
  • z: lo zaino
  • ps: lo psicologo
  • gn: lo gnomo

So dispositivo follows the normal pattern: il dispositivo.

Apre is the 3rd person singular present tense of aprire (to open).

The subject is il dispositivo (the device), which is he/it in grammatical terms, so Italian uses the 3rd person singular form:

• io apro = I open
• tu apri = you open
• lui/lei apre = he/she/it opens

So:

• Il dispositivo apre... = The device opens...

In Italian, you often do not use an article when speaking about things in a general sense, especially after some verbs.

So:

• apre file = opens files / can open files

This sounds more general than:

• apre i file = opens the files

Using i file would usually refer to specific files already known from context. Without the article, the meaning is more general: the device is able to open files of that format.

Here, file is best understood as plural: files.

In Italian, many borrowed foreign words are invariable, meaning they stay the same in singular and plural.

So:

• il file = the file
• i file = the files

In this sentence, because the meaning is general and there is no article, file can be read as files in general.

Literally, in questo formato means in this format.

Italian often uses in where English might say:

• in this format
• of this format
• sometimes even with this format, depending on context

Here it describes the type or format of the files:

• file in questo formato = files in this format

So in is the normal preposition here.

Because formato is a masculine singular noun.

So the demonstrative adjective must agree with it:

• masculine singular: questo
• feminine singular: questa
• masculine plural: questi
• feminine plural: queste

Therefore:

• questo formato = this format

If the noun were feminine, you would use questa instead.

This is a simple sentence with:

• la memoria = the memory
• è = is
• piena = full

The adjective piena must agree with memoria, which is a feminine singular noun.

So:

• masculine singular: pieno
• feminine singular: piena
• masculine plural: pieni
• feminine plural: piene

That is why it is la memoria è piena, not pieno.

The accent is very important here.

• è = is
• e = and

So:

• la memoria è piena = the memory is full
• la memoria e piena would be incorrect, because e without an accent means and

In Italian writing, this accent must be included.

The semicolon links two closely related statements:

• Il dispositivo apre file in questo formato
• la memoria è piena

It shows that the two ideas are connected, but each clause is still fairly independent.

You could also see:

• a full stop: Il dispositivo apre file in questo formato. La memoria è piena.
• sometimes a conjunction, depending on style

The semicolon is just a punctuation choice that gives a slightly formal or technical tone.

Often yes, because Italian verbs usually show the subject clearly.

For example, you could say:

• Apre file in questo formato if the subject is already understood

However, in a sentence like this, especially in technical language, il dispositivo is included for clarity. Italian often keeps the subject when it is useful or important.

It is most naturally understood as a general fact or capability:

• Il dispositivo apre file in questo formato = The device opens / can open files in this format

Italian uses the simple present tense for both:

• actions happening now
• habitual actions
• general truths
• capabilities in context

So the present tense here does not necessarily mean the device is opening a file at this exact moment.

Because memoria in technical contexts means memory, such as device memory, storage, or system memory.

• memoria = memory
• ricordo = memory in the sense of a recollection or remembrance

So in technology:

• la memoria del telefono = the phone’s memory
• la memoria è piena = the memory is full

Using ricordo here would be wrong.

Yes. Dispositivo is a general technical word meaning device.

Depending on context, it could refer to:

• a phone
• a tablet
• a computer-related device
• a medical device
• another piece of equipment

It is a broader and more formal word than something like telefono or apparecchio, so it is very common in manuals, settings, and system messages.